US Gallons per Hour (GPH)	Cubic Feet per Minute (CFM)
1 GPH	0.002228 CFM
2 GPH	0.004456 CFM
5 GPH	0.01114 CFM
10 GPH	0.02228 CFM
25 GPH	0.0557 CFM
50 GPH	0.1114 CFM
100 GPH	0.2228 CFM
250 GPH	0.557 CFM
500 GPH	1.114 CFM
1000 GPH	2.228 CFM

Convert US Gallons per Hour to Cubic Feet per Minute

Convert us gallons per hour to cubic feet per minute (GPH to CFM) with our instant calculator. 1 GPH = 0.002228 CFM. Includes exact formula and reference tables.

How to Convert US Gallons per Hour to Cubic Feet per Minute (GPH to CFM)

1 US Gallon per Hour (GPH) is equal to 0.002228 Cubic Feet per Minute (CFM). Multiply the us gallon per hour value by 0.002228009259

Quick Answer 1 GPH = 0.002228 CFM

Formula CFM = GPH × 0.002228009259

Inverse Factor 1 CFM = 448.831169 GPH

Unit Definitions & Metrology Context

The standard SI unit of volumetric flow rate is cubic meters per second (m³/s), representing the volume of fluid that passes through a given cross-sectional area per second.

About US Gallons per Hour (GPH): US Gallon per Hour (GPH) is a unit in the Volumetric Flow Rate measurement category. It is widely used in fuel consumption & aquarium filtration. Relative to the volumetric flow rate base unit, 1 GPH equals 0.000001 Cubic Meters per Second (m³/s).

About Cubic Feet per Minute (CFM): Cubic Feet per Minute (CFM) is a unit in the Volumetric Flow Rate measurement category. It is widely used in hvac airflow & pc cooling fans. Relative to the volumetric flow rate base unit, 1 CFM equals 0.000472 Cubic Meters per Second (m³/s).

Need to convert in the opposite direction? Visit our Convert Cubic Feet per Minute to US Gallons per Hour (CFM to GPH) calculator (1 CFM = 448.831169 GPH).

Step-by-Step Worked Examples (GPH to CFM)

Convert 5 US Gallons per Hour to Cubic Feet per Minute: Applying the formula (CFM = GPH × 0.002228009259): starting with 5 GPH, multiply the us gallon per hour value by 0.002228009259 to get 0.0111 CFM.
Convert 10 US Gallons per Hour to Cubic Feet per Minute: Applying the formula (CFM = GPH × 0.002228009259): starting with 10 GPH, multiply the us gallon per hour value by 0.002228009259 to get 0.0223 CFM.
Convert 50 US Gallons per Hour to Cubic Feet per Minute: Applying the formula (CFM = GPH × 0.002228009259): starting with 50 GPH, multiply the us gallon per hour value by 0.002228009259 to get 0.1114 CFM.

Popular Volumetric Flow Rate Conversions

Cubic Feet per Minute ⇄ Liter per Second

Multiply CFM by ~0.471947 to calculate airflow in liters per second (L/s).

Liter per Second ⇄ Cubic Feet per Minute

Multiply liters per second by ~2.11888 to calculate airflow in CFM.

US Gallon per Minute ⇄ Liter per Minute

Multiply US GPM by ~3.78541 to calculate flow in liters per minute (L/min).

Cubic Meter per Hour ⇄ Cubic Feet per Minute

Multiply cubic meters per hour by ~0.588578 to calculate airflow in CFM.

Cubic Feet per Minute ⇄ Cubic Meter per Hour

Multiply CFM by ~1.69901 to convert to cubic meters per hour (m³/h).

Frequently Asked Questions

Verified answers and formulas for converting us gallons per hour to cubic feet per minute.

How many cubic feet per minute are in 1 us gallon per hour?

There are 0.002228 cubic feet per minute (CFM) in 1 us gallon per hour (GPH). Conversely, 1 cubic feet per minute equals 448.831169 us gallons per hour.

How do you convert us gallons per hour to cubic feet per minute?

To convert us gallons per hour (GPH) to cubic feet per minute (CFM), use the formula: CFM = GPH × 0.002228009259. Multiply the us gallon per hour value by 0.002228009259. For example, 10 GPH equals 0.0223 CFM.

How do I convert back from cubic feet per minute to us gallons per hour?

To convert in the reverse direction from cubic feet per minute (CFM) to us gallons per hour (GPH), use the inverse formula: GPH = CFM × 448.8311688. Multiply the cubic feet per minute value by 448.8311688 (1 CFM = 448.831169 GPH).

What is the difference between us gallon per hour (GPH) and cubic feet per minute (CFM)?

Both us gallon per hour and cubic feet per minute measure volumetric flow rate. US Gallon per Hour (GPH) is a unit in the Volumetric Flow Rate measurement category. It is widely used in fuel consumption & aquarium filtration. Relative to the volumetric flow rate base unit, 1 GPH equals 0.000001 Cubic Meters per Second (m³/s). Cubic Feet per Minute (CFM) is a unit in the Volumetric Flow Rate measurement category. It is widely used in hvac airflow & pc cooling fans. Relative to the volumetric flow rate base unit, 1 CFM equals 0.000472 Cubic Meters per Second (m³/s).

How do you convert CFM to liters per second (L/s)?

Multiply the CFM value by 0.471947. For example, a 100 CFM ventilation fan moves approximately 47.19 L/s of air.